CCNA Online Class 2024 Lecture 23
Part1
Welcome to our in-depth video on Layer 2 security! In this lecture, we cover critical security topics and attack vectors at Layer 2, along with effective mitigation techniques to protect your network. This tutorial is essential for networking professionals, students preparing for their CCNA or CCNP certifications, and anyone interested in enhancing their network security skills.
Topics Covered in This Video:
Introduction to Layer 2 Security:
Importance of Layer 2 security in network protection.
Overview of common Layer 2 attacks and threats.
Physical Port Security:
Securing physical ports as a foundational security measure.
Techniques for shutting down unused ports to prevent unauthorized access.
DHCP Snooping:
Understanding DHCP snooping and its role in preventing rogue DHCP servers.
Configuration and implementation of DHCP snooping.
DHCP Starvation Attack:
Explanation of DHCP starvation attacks.
Mitigation techniques to protect against DHCP starvation.
MAC Spoofing Attack:
What is MAC spoofing and how it affects network security.
Steps to prevent MAC spoofing attacks.
IP Spoofing Attack:
Overview of IP spoofing and its implications.
Strategies to detect and mitigate IP spoofing.
VLAN Hopping Attack:
Understanding VLAN hopping and its impact on network segmentation.
Mitigation techniques to prevent VLAN hopping.
VLAN Double Tagging:
Explanation of VLAN double tagging attacks.
Methods to secure your network against double tagging.
ARP Attack:
What is ARP spoofing and how it compromises network integrity.
Effective mitigation techniques for ARP attacks.
STP Attack:
Understanding STP (Spanning Tree Protocol) attacks.
Configurations and safeguards to protect against STP manipulation.
CDP Reconnaissance:
How CDP (Cisco Discovery Protocol) can be exploited for network reconnaissance.
Best practices for securing CDP and minimizing its risks.
By the end of this video, you will have a comprehensive understanding of various Layer 2 attacks and the techniques to mitigate them effectively. This knowledge is crucial for maintaining a secure and resilient network infrastructure.
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Tags: #CCNA #Layer2Security #DHCPsnooping #MACspoofing #IPspoofing #VLANhopping #ARPattack #STPattack #CDPsecurity #NetworkSecurity #Cisco #Networking
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